mac SSH私钥取消密码(passphrase)

取消私钥中的密码：

1.使用openssl命令去掉私钥的密码openssl rsa -in ~/.ssh/id_rsa -out ~/.ssh/id_rsa_new

2.备份旧私钥mv ~/.ssh/id_rsa ~/.ssh/id_rsa.backup

3.使用新私钥mv ~/.ssh/id_rsa_new ~/.ssh/id_rsa

4.设置权限chomd 600 ~/.ssh/id_rsa